EP3590851A1 - Dispositif et procédé d'empilement de produits pliés - Google Patents

Dispositif et procédé d'empilement de produits pliés Download PDF

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Publication number
EP3590851A1
EP3590851A1 EP18181110.0A EP18181110A EP3590851A1 EP 3590851 A1 EP3590851 A1 EP 3590851A1 EP 18181110 A EP18181110 A EP 18181110A EP 3590851 A1 EP3590851 A1 EP 3590851A1
Authority
EP
European Patent Office
Prior art keywords
folded
transport direction
products
stack
area
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP18181110.0A
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German (de)
English (en)
Other versions
EP3590851B1 (fr
Inventor
Witali Richert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
H+H GmbH and Co KG
Original Assignee
Herzog and Heymann & Co KG GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Herzog and Heymann & Co KG GmbH filed Critical Herzog and Heymann & Co KG GmbH
Priority to EP18181110.0A priority Critical patent/EP3590851B1/fr
Publication of EP3590851A1 publication Critical patent/EP3590851A1/fr
Application granted granted Critical
Publication of EP3590851B1 publication Critical patent/EP3590851B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B35/00—Supplying, feeding, arranging or orientating articles to be packaged
    • B65B35/30—Arranging and feeding articles in groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B25/00—Packaging other articles presenting special problems
    • B65B25/14—Packaging paper or like sheets, envelopes, or newspapers, in flat, folded, or rolled form
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B5/00—Packaging individual articles in containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, jars
    • B65B5/10—Filling containers or receptacles progressively or in stages by introducing successive articles, or layers of articles

Definitions

  • the present invention relates to an apparatus and a method for stacking folded products, in particular package inserts such as inserts or outserts for pharmaceutical products.
  • the object of the invention is therefore to provide a device for stacking folded products that is optimized in terms of time expenditure and degree of automation, and a method for stacking folded products that is optimized in this respect.
  • a device which automatically forms stacks of folded products with high quality.
  • the time and work involved in stacking the folded products and the associated costs can be reduced and the error rate of the process is minimized.
  • Increasing quality requirements in the packaging process can be met.
  • the brushes have bristles that extend from the guide devices into the stacking area. If a folded product is inserted between the guide devices, this deforms the bristles, which thereby exert a restoring force on the folded product. This restoring force of the bristles has a clamping effect on the folded product, as a result of which the folded product is held in its upright position, while at the same time the folded product can be moved in a transport direction when further folded products are fed into the stacking area.
  • the stiffness of the bristles can be designed so that the bristles enable reliable support of the folded products and at the same time easy and damage-free displacement of the folded products.
  • Folded products in particular outserts, generally have an essentially cuboid shape after folding, the edges of the cuboid, on which fold edges of the folded product are located, being more or less rounded.
  • the length and the width of a substantially cuboid folded product are larger than the thickness. The length and the width thus define two base areas of the folded product, which are significantly larger than the other side areas.
  • the base areas of the folded products in this case extend essentially perpendicular to a support surface on which the folded products are arranged and form a front or rear side of the folded products in the transport direction. Such a position of the folded products is called an upright position.
  • the stacks of Folded products are formed on a substantially horizontal support surface.
  • the base areas then extend in a substantially vertical plane.
  • the device further comprises at least one conveyor device for conveying the stacked folded products into a delivery area of the packaging machine along a transport path aligned in a transport direction, the guide devices extending parallel to the transport direction and opposite one another in a first direction transverse to the transport direction, wherein in each case one of the two guide devices is arranged on one side of the transport path in order to laterally guide the folded products along the transport path.
  • the at least one conveyor device enables the stacked folded products to be conveyed into a delivery area in which a stack of folded products can be packed in a receptacle. Because the guide devices preferably extend from the stacking area to the delivery area, the advantages of the brushes of the guide devices can be used in the entire range of motion.
  • the distance between two opposite guide devices in the first direction can be adjusted transversely to the transport direction.
  • the distance between the guide devices can be adapted to different formats of folded products.
  • Each guide device preferably has a plurality of brushes which are arranged in succession parallel to the transport direction. It can be preferred if the brushes in the stacking area have greater rigidity and / or are shorter than the brushes in the dispensing area.
  • Each guide device preferably comprises at least one support structure to which the at least one brush is attached.
  • the at least one brush is particularly preferably detachably connected to the carrier structure. This enables the brushes to be easily replaced. This may be necessary, for example, due to wear on the brushes or to adapt the brush size or properties to the folded products to be stacked, in particular to their format or material properties.
  • Each brush has a body and a plurality of bristles connected to the body, which are preferably arranged in a plurality of bristle bundles. Furthermore, the bristles are preferably arranged in a plurality of rows on the body, the rows being arranged one above the other in a second direction, which is oriented transversely to the transport direction and transversely to the first direction, and extend parallel to the transport direction.
  • Such brushes are easily and inexpensively available and are particularly suitable for forming the guide devices.
  • the bristles are particularly preferably inclined with respect to the body by an angle in the transport direction which is defined between a side surface of the body to which the bristles are connected and a longitudinal axis of the bristles and preferably between 45 ° and 85 °, more preferably between 70 ° and is 80 °.
  • the inclination of the bristles in the transport direction enables the folded products to be moved slightly in the transport direction, while at the same time ensuring a sufficient clamping effect on the folded products in order to hold them in their upright position and to support them along the transport path.
  • the body is preferably formed from plastic, more preferably from polyvinyl chloride (PVC) or polyamide (PA).
  • PVC polyvinyl chloride
  • PA polyamide
  • the body can be manufactured easily and inexpensively and has a low weight.
  • the body can be made of metal or wood.
  • the bristles are preferably made of horsehair.
  • the bristles can be made from other natural materials, e.g. Animal hair, be made of plastic or wire.
  • the bristles are sufficiently rigid to exert a clamping effect on the folded products due to their restoring force when deformed by the folded products, which is sufficient to hold the folded products in their upright position in the stacking area and when they are moved in the transport direction.
  • the stiffness of these bristles is sufficiently low to provide little resistance to the displacement of the folded products in the transport direction and thus to enable the displacement along the transport direction.
  • a method which automatically forms stacks of folded products in a safe manner. This can reduce the time and effort required to stack the folded products and the associated costs. Increasing quality requirements in the packaging process can be met.
  • the brushes have a clamping effect on the folded product, as a result of which the folded product is held in its upright position, while at the same time the folded product can be moved in a transport direction when further folded products are fed into the stacking area.
  • Fig. 1 shows an embodiment of a device according to the invention for stacking folded products 6, in particular outserts, particularly preferably outserts glued to a closed position or closed with an adhesive flap, as part of an overall system 1 for stacking and packaging folded products 6.
  • the device comprises a feed device 2 for feeding of folded products into a stacking area 4.
  • the feed device 2 preferably connects directly to a folding device (not shown) for folding folded products 6 or forms the outlet thereof.
  • a stack 7 of folding products 6 is formed from individual folding products 6.
  • the stack 7 of folded products 6, which forms a partial stack of a final complete stack 8, is then conveyed along a transport path from the stack area 4 to a collecting area 11, in which the partial stack 7 is lined up to form the stack 8. From there, the stack 8 is conveyed to a delivery area 10. From the delivery area 10, the stack 8 is moved into a receptacle 36 (see 7 and 8 ) postponed.
  • a first guide device 14 and a second guide device 16 are arranged opposite one another in a first direction, so that they form the stack area 4 between them.
  • the guide devices 14, 16 receive the folded products 6 fed by the feed device 2 between them.
  • Preferably The guide devices 14, 16 extend from the stacking area 4 to the delivery area 10 in order to guide and support the folded products 6 along the transport path.
  • Cutouts of the device at an outlet 22 of the feed device 2 are shown in cross-sectional view.
  • the stack area 4 is located at the outlet 22 of the feed device 2.
  • the feed device 2 feeds individual, successive folding products 6 to the stack area 4.
  • the feed device 2 comprises a first conveyor belt 18 and a second conveyor belt 20.
  • the first and the second conveyor belt 18, 20 are arranged in sections adjoining one another, so that a folded product 6 between a belt section of the first conveyor belt 18 and a belt section of the second Conveyor belt 20 is recorded and promoted horizontally.
  • a folded product 6 emerges from the feed device 2 at the outlet 22 of the feed device 2.
  • the folded product 6 leaves the gap between the first and second conveyor belts 18, 20 at the outlet 22.
  • the feed device 2 deflects the folded products 6 in such a way that the folded products 6 are fed to the stacking area 4 from above.
  • the first and the second conveyor belts 18, 20 preferably describe a curve which increasingly slopes downwards in the direction of conveyance of the folded products 6 of the feed device 2.
  • a leading folding product 6 is initially received in an upright position between the first and the second guide device 14, 16.
  • a retaining element 25, here in the form of a spring plate, can additionally be provided in order to support the stack 7 to be formed from above and to prevent the folded products 6 from tipping over towards the front.
  • a pressure roller 35 can provide counter pressure.
  • a base surface of the folded product 6 directed in a transport direction T forms a front side 6a and an opposite base surface of the folded product directed against the transport direction T forms a rear side 6b.
  • the first and second can be used to adapt to different folded product formats Guide device 14, 16 in the first direction to be movable transversely to the transport direction T in order to adjust the distance between the guide devices 14, 16 in the first direction.
  • the transport direction T and the first direction are preferably oriented essentially horizontally.
  • the leading folded product 6 is displaced between the guide devices 14, 16 in the transport direction T.
  • a stack 7 of folded products 6 is formed in the stacked area 4 by the repeated feeding of a folded product 6 into the stacking area 4, picking up the folded product 6 between the guide devices 14, 16 and the associated shifting of the at least one leading folding product 6 in the transport direction T.
  • a plurality of folded products 6 are arranged one behind the other in the stacking area 4 in the upright position in the transport direction T, thereby forming the stack 7 of folded products 6.
  • the folded products 6 are supported by the guide devices 14, 16.
  • a subsequent folding product 6 enters the stacking area 4 obliquely relative to at least one preceding folding product 6 and thereby displaces the at least one preceding folding product 6 in the transport direction T.
  • the first and the second conveyor belt 18, 20 at the outlet 22 of the feed device 2 are aligned slightly obliquely with respect to the folded products 6 standing upright in the stacking area 4.
  • a subsequent folded product 6 with a leading edge 6c strikes a rear side 6b of a preceding folded product 6 facing the subsequent folded product 6 of the preceding folded product 6 and the front 6a of the subsequent folded product 6 an acute angle ⁇ is formed.
  • the subsequent folded product 6 is thus reliably arranged behind the at least one preceding folded product 6 without jamming with it. It will also be at least one preceding one Folded product 6 shifted in the transport direction T as soon as the subsequent folded product 6 meets its rear side 6b.
  • the device comprises a feed device 32 for conveying partial stacks 7 formed in the stacking area 4 to a collecting area 11, which is described in more detail below.
  • the device comprises a conveying device 24 for conveying a finished stack 8 of folded products 6 from the collecting area 11 to the delivery area 10.
  • the stack 8 is complete as soon as it comprises a predetermined number of folded products 6.
  • the finished stack 8 consists of a plurality of partial stacks 7.
  • the folded products 6 are conveyed in the feed device 32 and in the conveying device 24, preferably along a transport path 26 oriented in the transport direction T.
  • the conveyor device 24 can be moved parallel to the transport direction T in a direction T1. In the embodiment shown, the conveyor device 24 can also be moved in a direction V1 transversely to the transport direction T.
  • the direction V1 is preferably oriented vertically.
  • the conveying device 24 comprises a first limiting element 28, which can be moved in and out of the transport path 26 in the direction V1.
  • the first delimiting element 28 serves to grasp a last folded product 6 of a stack 8 and preferably lies flat against the rear side 6b of this folded product.
  • a second limiting element 30 can be provided, which can be moved in a direction V2 transversely to the transport direction T.
  • the direction V2 is preferably aligned parallel to the direction V1 and vertically.
  • the second delimitation element 30 forms the downstream delimitation of the delivery area 10 when the conveying device 24 conveys the stack 8 into the delivery area 10. If the stack 8 is arranged in the delivery area 10, the first delimitation element 28 forms the delimitation of the delivery area 10 upstream in the transport direction and the stack 8 is received between the first and the second delimitation elements 28, 30.
  • the above-mentioned feed device 32 is in a direction T2 parallel to the transport direction T and in a direction V3 transverse to the transport direction T movable.
  • the direction V3 is preferably aligned parallel to the directions V1 and V2 and vertically.
  • at least part of the feed device 32 projects through an opening in the support surface 40, on which the stack 7 rests.
  • the feed device 32 comprises a slide 34.
  • the slide 34 is arranged in the stack area 4 upstream of the stack 7 of folded products 6 formed in the stack area 4.
  • the slider 34 serves to grasp a last folded product 6 of a stack 7 and preferably lies flat against the rear side 6b of this folded product 6.
  • a stack 7 is a partial stack and comprises a predetermined number of folding products 6, which is smaller than the predetermined number of folding products 6 of a finished stack 8 in the collecting area 11.
  • the feed device 32 conveys the partial stacks 7 to such an extent that they can be reached by the first delimiting element 28. This repeats the feed device 32 until a plurality of partial stacks 7 forms a complete stack 8.
  • the first delimiting element 28 is then moved into the transport path 26 ( Fig. 6 ) and the conveyor device 24 conveys the stack 8 further into the delivery area 10 ( Fig. 7 ).
  • the feed device 32 moves back to its starting position upstream of the stack area 4. If a new stack 7 of folded products 6 is already formed in the stack area 4 while the feed device 32 is not yet in its starting position, the feed device 32 is in the direction V3 from the transport path 26 to move out and moves spaced from the stacking area 4 back to its starting position.
  • the conveyor device 24 can also take over the partial stacks 7 from the feed device 32 and push them further into the collecting area 11.
  • the first delimiting element 28 runs through a circulating, repeating path for each partial stack 7.
  • the feed device 32 can also be omitted.
  • a complete stack 8 is then formed in the stacking area 4 and the conveying device 24 conveys the complete stack 8 of folded products 6 from the stacking area 4 directly to the delivery area 10.
  • the conveying device 24 can in this case be moved so far against the transport direction T that the first one Limiting element 28 is located in the transport direction T behind the last folded product 6 of the complete stack 8 of folded products 6 in the stack area 4.
  • the first delimiting element 28 is then moved into the stack area 4, so that it rests on the rear side 6b of the last folded product 6 of the stack 8.
  • the stack 8 of folded products 6 is moved in the transport direction T along the transport path 26 to the delivery area 10.
  • the feed device 32 can also convey the partial stacks 7 to the delivery area 10 and form the complete stack 8 there.
  • the conveyor device 24 can then be omitted.
  • the delimiting element 28 must still be able to be moved in the vertical direction out of the transport path 26 in order to allow the partial stacks 7 to pass through.
  • each partial stack 7 is conveyed to the same point in the collecting area 11, where it abuts the last of the possibly already existing other partial stacks 7 and the existing partial stacks 7 further in the transport direction T. shifts.
  • the complete stack 8 of folded products 6 is arranged in the delivery area 10 in the vicinity of a receptacle 36, preferably above the receptacle 36.
  • the stack 8 is preferably received between the first and the second delimiting elements 28, 30, which delimit the stack 8 on both sides in the transport direction T.
  • the first and the second delimiting element 28, 30 compress the stack 8 in the transport direction T such that its length in the transport direction T is somewhat smaller than the internal dimension of the receptacle 36 parallel to the transport direction T.
  • the delimiting elements 28, 30 can preferably be moved at least slightly in or against the transport direction T.
  • the receptacle 36 is preferably a tray, a packaging in the form of a box or another receptacle for stacks 8 of folded products 6.
  • the receptacle 36 serves to hold a complete stack 8 of upright folded products 6 at the same time and to pack them for transport.
  • the receptacle 36 is designed to be sufficiently rigid to protect the folded products 6 from external influences such as e.g. Bumps to protect.
  • the receptacle 36 is preferably cuboid in order to enable space-saving storage and transport.
  • the length of the receptacle 36 parallel to the transport direction T is preferably between 300 mm and 1,200 mm.
  • the width of the receptacle 36 transverse to the transport direction T is preferably between 25 mm and 220 mm. In any case, the size of the receptacle 36 must be adapted to the dimensions of the folded products 6 to be packaged.
  • the folded products 6 preferably have a base area of the front or rear side 6a, 6b, the minimum dimensions of which are 29 mm ⁇ 29 mm and the maximum dimensions of which are 220 ⁇ 105 mm.
  • the thickness of the folded products 6 is preferably between 1 and 20 mm. It goes without saying that the dimensions of the folded products 6 and the receptacle 36 can be adapted as desired to the present requirements.
  • the receptacle 36 is removably stored in the system 1.
  • the storage (not shown) is designed such that the receptacle 36 is always arranged in a defined position relative to the delivery area 10.
  • the removal of a receptacle 36 filled with a stack 8 of folded products 6 and the insertion of a new, empty receptacle 36 can be done manually.
  • the removal and insertion of a receptacle 36 can also be automated.
  • the system 1 further comprises a displacement device 12 for displacing a stack 8 of folded products 6 transversely to the transport direction T into the receptacle 36.
  • the displacement device 12 can be moved in a direction V4 transversely to the transport direction T.
  • the displacement device 12 is arranged at a distance from the delivery area 10 and comprises a stamp 38.
  • the stamp 38 extends preferably in the transport direction T along the entire stack 8 of folded products 6 when the stack 8 is arranged in the delivery area 10.
  • the first and the second delimiting elements 28, 30 compress the stack 8 so firmly in the transport direction T that the stack 8 can also be moved transversely to the transport direction T if the punch 38 is not completely along the stack 8 extends.
  • the first and the second delimiting elements 28, 30 extend partially in the transport direction T along the stack 8 and in this way together with the stamp 38 form a common contact surface for the stack 8.
  • the displacement device 12 it is also possible for the displacement device 12 to be formed only by the first and the second limiting elements 28, 30.
  • the displacement device 12 is only moved in the direction V4 after the stack 8 has been conveyed into the delivery area 10 until it bears against the stack 8 of folded products 6.
  • the direction V4 is oriented vertically
  • the stack 8 is located in the delivery area 10 below the stamp 38 and the receptacle 36 is in turn arranged below the delivery area 10 and the stack 8.
  • the direction V4 can also be oriented horizontally transversely to the transport direction T and the displacement device 12 and the receptacle 36 can accordingly be arranged such that the displacement device 12 displaces the stack 8 horizontally transversely to the transport direction T into the receptacle 36.
  • one of the lateral guide devices 14, 16 would have to be briefly moved or pivoted out of the sliding path.
  • the stack 8 of folded products 6 is finally moved transversely to the transport direction T from the delivery area 10 into the receptacle 36 by means of the displacement device 12.
  • the displacement device 12 is moved transversely to the transport direction T until the stack 8, with a narrow side upright standing folded products 6 in front, is completely received in the receptacle 36.
  • a stack 8 fills the entire receptacle 36.
  • the first and the second delimiting elements 28, 30 simultaneously move transversely to the transport direction T. It is thereby achieved that the stack 8 maintains its length parallel to the transport direction T while it is being displaced by the displacement device 12.
  • the folded products 6 of the stack 8 are thus not obstructed by the edges of the receptacle 36 when inserted into the receptacle 36.
  • the first and the second delimiting elements 28, 30 and the stamp 38 can be moved back in the opposite direction. It is preferred that the first and the second delimiting elements 28, 30 are moved out of the receptacle 36 first, so that the stamp 38 retains the stack 8 in the meantime. This prevents individual folding products 6 from being pulled out of the receptacle 36 when the first and second delimiting elements 28, 30 are pulled out. As soon as the first and the second limiting elements 28, 30 are removed from the receptacle 36, the stamp 38 can also be withdrawn. The receptacle 36 equipped with folded products 6 is removed. A new, empty receptacle 36 is to be arranged at a corresponding distance from the delivery area 10.
  • a support surface 40 supports the folded products 6 from below.
  • the support surface 40 preferably extends from the stack area 4 to the delivery area 10.
  • the support surface 40 is formed by two support elements 39, which release the stack 8 perpendicular to the transport direction T before the stack 8 is moved into the receptacle 36 (see 9 and 10 ).
  • These support elements 39 are preferably designed as an L-angle, one leg of which projects downward.
  • the support elements 39 can be moved laterally outwards from the delivery area 10 in order to form an opening in the support surface 40.
  • the shifting device 12 can then shift the stack 8 of folded products 6 perpendicular to the direction of transport T into the receptacle 36.
  • the lower legs of the support elements 39 also expand the receptacle 36 laterally.
  • the first and the second limiting elements 28, 30 each have an opening 29 or recess in a preferred embodiment.
  • This opening 29 can be a through opening which extends completely through the respective limiting element 28, 30.
  • the opening 29 can be designed as a recess of any contour which is completely surrounded by the respective limiting element 28, 30.
  • the opening can also be in the form of a recess from an edge of the respective limiting element 28, 30, so that the limiting element 28, 30, as in Fig. 9 shown, has a plurality of webs which extend along the respective recess.
  • the opening 29 is formed as a depression in a side surface of the respective delimiting element 28, 30 facing the dispensing area 10.
  • the plunger 38 extends in the transport direction T from the first delimitation element 28 to the second delimitation element 30 and in each case into the opening in the first and in the second delimitation element 28, 30.
  • the plunger 38 extends in the transport direction T through the first and second delimiting elements 28 and 30, as in FIGS 5 and 6 can be seen. This ensures that the displacement device 12 or the punch 38 also completely engages the folded products 6 of the stack 8, which directly adjoin the delimiting elements 28, 30. If the openings in the delimitation elements 28, 30 are formed as recesses from an edge of the delimitation elements 28, 30 facing the receptacle 36, this enables the delimitation elements 28, 30 to be completely removed from the receptacle 36, while the displacement device 12 on the stack 8 remains attached.
  • each of these components or devices has a suitable drive.
  • These drives are preferably formed by pneumatic or hydraulic cylinders or by servomotors. These are particularly easy to integrate into the overall machine and easy to control.
  • the individual drives can be coupled to one another or can be controlled independently of one another. Suitable drives must be selected by a specialist depending on the requirements.
  • the guiding devices 14, 16 lie opposite one another, form the stack area 4 between them and are set up to receive and support the folding products 6 successively fed by the feeding device 2 to form a stack 7, 8 of upright folding products 6 between them.
  • the guide devices 14, 16 preferably extend parallel to the transport direction T and lie opposite one another in a first direction transverse to the transport direction T, wherein a guide device 14, 16 is arranged on one side of the transport path 26 in order to laterally guide the folded products 6 along the transport path 26.
  • the two guide devices 14, 16 preferably extend linearly from the stack area 8 to the delivery area 10.
  • each guide device 14, 16 has a brush 42 on a side of the guide device 14, 16 facing the stacking area 4. An embodiment of such a brush is shown in 11a and 11b shown.
  • each guide device 14, 16 comprises at least one support structure 44 (see 1 and 2 ), with which the brushes 42 are connected.
  • the brushes 42 are preferably detachably connected, for example screwed, to the support structure 44.
  • each guide device 14, 16 has a plurality of brushes 42, which are arranged parallel to the transport direction T in succession along the respective guide device 14, 16.
  • the guide devices 14, 16 can be constructed modularly and can be adapted as desired to the given requirements. For example, it is advantageous if the brushes 42 in the stack area 4 (right in Fig. 4 ) have a greater rigidity and / or a shorter length than in the delivery area 10 or in the further course of the guide devices 14, 16 (left in Fig. 4 ).
  • each brush 42 has a body 46 and a plurality of bristles 48 connected to the body 46, which are preferably arranged in a plurality of bristle bundles 50.
  • the bristles 48 are preferably arranged in a plurality of rows 49a, 49b, 49c.
  • the brushes 42 are arranged on the carrier structures 44 in such a way that the bristles 48 extend into the stack area 4 or into the transport path 26.
  • the rows 49a, 49b, 49c are then arranged one above the other in a second direction, which is oriented transversely to the transport direction T and transversely to the first direction.
  • the second direction is preferably oriented essentially vertically.
  • the rows 49a, 49b, 49c extend parallel to the transport direction T. As in Fig. 11b It can be seen that two adjacent rows 49a, 49b, 49c of bristles 48 are arranged offset from one another in the transport direction T.
  • a folded product 6 If a folded product 6 is arranged between two opposing brushes 42, it elastically deforms the bristles 48 lying against the folded product 6. Because of the restoring force inherent in the bristles 48 in their starting position, the bristles 48 in this state bring about a clamping effect on the folded product 6 and support it laterally. Because of the flexibility of the bristles 48, the folded products 6 or the partial stack 7 or stack 8 of folded products 6 can nevertheless be displaced in the transport direction T, while the clamping effect of the respectively adjacent bristles 48 of the brushes 42 act on the folded products 6.
  • the bristles 48 advantageously have a rigidity that is sufficient to hold and support the folded products 6. At the same time, the rigidity of the bristles 48 is sufficiently low to enable the folded products 6 to be displaced in the transport direction T without damaging them.
  • the bristles 48 are preferably inclined with respect to the body 46 by an angle ⁇ in the transport direction T.
  • the angle ⁇ is defined between a side surface 52 of the body 46 to which the bristles 48 are connected and a longitudinal axis of the bristles 48 and is preferably between 45 ° and 85 °, more preferably between 70 ° and 80 °. This also ensures that the bristles 48 incline in a predetermined direction when inserting a folded product 6 between two opposite brushes 42.
  • bristles 48 are formed from horsehair.
  • bristles 48 made of horsehair have a suitable stiffness and protect the folded products 6 during their transport along the transport path 26, so that no damage is caused to the folded products 6.
  • the bristles 48 can also be formed from other natural materials, in particular animal hair, from plastic or from wire.
  • the body 46 of the brushes 42 is preferably formed from plastic, for example from polyvinyl chloride (PVC) or polyamide (PA).
  • PVC polyvinyl chloride
  • PA polyamide
  • the body 46 is then particularly simple and inexpensive to manufacture and has a low weight.
  • the body 46 can also be formed from other materials, such as wood or metal.
  • the body 46 preferably has threaded bores 54.
  • the brushes 42 can then be screwed to the support structure 44. It understands it will be appreciated that those skilled in the art are aware of alternative connecting means for releasably connecting the brushes 42 to the support structure 44 which can be used as desired.
  • the brush 42 shown is an exemplary embodiment in which the distance A between two adjacent bristle bundles 50 in the transport direction T is between 2 mm and 10 mm, preferably between 4 mm and 6 mm.
  • the distance B between two adjacent rows 49a, 49b, 49c of bristles 48 transversely to the transport direction T is also between 2 mm and 10 mm, preferably between 4 mm and 6 mm.
  • the brush 42 has between three and ten rows 49a, 49b, 49c of bristles 48, more preferably between five and eight rows 49a, 49b, 49c of bristles 48.
  • the working width C of the brush 42 is defined as the distance between the outermost rows 49a and 49c of bristles 48 in a direction transverse to the transport direction T and is preferably 10 mm to 50 mm, more preferably 20 mm to 30 mm. It is understood that the working width C is to be adapted to the format of the folded products 6.
  • the fiber height H of the bristles 48 is defined perpendicular to the side surface 52 of the body 46 and is preferably between 5 mm and 50 mm, more preferably between 15 mm and 25 mm. Alternative dimensions are conceivable and should be selected by a specialist according to the requirements in the individual case.
  • a partial stack 7 or stack 8 then comprises a plurality of rows of folded products 6, which are arranged next to one another in the direction transverse to the transport direction T and each extend in the transport direction T.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
EP18181110.0A 2018-07-02 2018-07-02 Dispositif et procédé d'empilement de produits pliés Active EP3590851B1 (fr)

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8611717U1 (de) * 1986-04-29 1986-10-02 Stahl Gmbh & Co Maschinenfabrik, 7140 Ludwigsburg Bogenstapelvorrichtung zur Herstellung einer gebündelten Stange aus Papierbogen

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4772003A (en) * 1987-02-24 1988-09-20 Dainihon Insatsu Kabushiki Kaisha Apparatus for stacking signatures or the like
DE59505270D1 (de) * 1994-10-10 1999-04-15 Ferag Ag Verfahren und Vorrichtung zum Manipulieren von gestapelten, flächigen Gegenständen
WO2010133248A1 (fr) * 2009-05-18 2010-11-25 Sigma Engineering B.V. Procédé et dispositif d'emballage de produits sensiblement plats dans une boîte

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8611717U1 (de) * 1986-04-29 1986-10-02 Stahl Gmbh & Co Maschinenfabrik, 7140 Ludwigsburg Bogenstapelvorrichtung zur Herstellung einer gebündelten Stange aus Papierbogen

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